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Why do function pointer definitions work with any number of ampersands '&' or asterisks '*'?
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224
There are a few pieces to this that allow all of these combinations of operators to work the s...
How to have an automatic timestamp in SQLite?
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215
Just declare a default value for a field:
CREATE TABLE MyTable(
ID INTEGER PRIMARY KEY,
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Scala vs. Groovy vs. Clojure [closed]
...ithout having to learn a new syntax (assuming you know Java). As of Groovy 2.0, it also has growing support for static compilation. Groovy supports closures and has support for programming in a somewhat functional style, although it's still fairly far from the traditional definition of functional pr...
Can a decorator of an instance method access the class?
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If you are using Python 2.6 or later you could use a class decorator, perhaps something like this (warning: untested code).
def class_decorator(cls):
for name, method in cls.__dict__.iteritems():
if hasattr(method, "use_class"):
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Does async(launch::async) in C++11 make thread pools obsolete for avoiding expensive thread creation
...a pool. So ::std::async(::std::launch::async, ...) is preferred.
Question 2:
Yes, basically this 'implicitly' launches a thread. But really, it's still quite obvious what's happening. So I don't really think the word implicitly is a particularly good word.
I'm also not convinced that forcing you ...
What is the difference between IQueryable and IEnumerable?
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261
First of all, IQueryable<T> extends the IEnumerable<T> interface, so anything you ...
PostgreSQL: Modify OWNER on all tables simultaneously in PostgreSQL
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20 Answers
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JQuery find first parent element with specific class prefix
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2 Answers
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How can I get name of element with jQuery?
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225
You should use attr('name') like this
$('#yourid').attr('name')
you should use an id selec...
Python: Convert timedelta to int in a dataframe
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edited Jan 9 at 13:12
Nicolas Gervais
13.3k77 gold badges3434 silver badges5757 bronze badges
answ...